FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term endoplasmic reticulum exit site ID (Ontology) GO:0070971 (Gene Ontology)
Definition An endoplasmic reticulum part at which COPII-coated vesicles are produced.[ PubMed:15623529 PubMed:16957052 ]
Also Known As "ER exit site" ; "transitional ER"
Comment
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       2
Genes (FBgn)  GO_CELLULAR_COMPONENT      17
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       2
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Constructs
 endoplasmic reticulum exit site (all annotations which use CV term, excluding "NOT" statements)       2     17      2
     colocalizes_with | endoplasmic reticulum exit site       --       2       --
     endoplasmic reticulum exit site | larval stage       6       --       5
     endoplasmic reticulum exit site | somatic clone       1       --       --
     endoplasmic reticulum exit site | third instar larval stage       4       --       4
     is_active_in | endoplasmic reticulum exit site       --       7       --
     located_in | endoplasmic reticulum exit site       --      14       --
Spanning Tree (Parents/Children)
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cellular_component
 |__cellular anatomical structure_________
cytoplasm                                 |
 |__endoplasmic reticulum_________________|
endomembrane system                       |
 |__endoplasmic reticulum_________________|
intracellular membrane-bounded organelle  |
 |__endoplasmic reticulum_________________|
                                          endoplasmic reticulum exit site  21 rec.
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Is a cellular anatomical structure
Part of endoplasmic reticulum
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Synonyms
Secondary IDs
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NIF_Subcellular:sao124393998